Replace $0 with 0 for "ld l, a / ld h, 0" idiom

24 files changed, 53 insertions, 53 deletions

diff --git a/engine/battle_anims/anim_commands.asm b/engine/battle_anims/anim_commands.asm
index 6d4129fa..9d9e6ef5 100644
--- a/engine/battle_anims/anim_commands.asm
+++ b/engine/battle_anims/anim_commands.asm
@@ -654,7 +654,7 @@ BattleAnimCmd_5GFX:
 	push bc
 	push hl
 	ld l, a
-	ld h, $0
+	ld h, 0
 rept 4
 	add hl, hl
 endr
diff --git a/engine/battle_anims/bg_effects.asm b/engine/battle_anims/bg_effects.asm
index b504df29..466310fc 100644
--- a/engine/battle_anims/bg_effects.asm
+++ b/engine/battle_anims/bg_effects.asm
@@ -1951,7 +1951,7 @@ BattleBGEffect_FadeMonsToBlackRepeating:
 	swap a
 	sla a
 	ld e, a
-	ld d, $0
+	ld d, 0
 	push bc
 	call BGEffect_CheckBattleTurn
 	jr nz, .player
@@ -2559,7 +2559,7 @@ BattleBGEffect_GetFirstDMGPal:
 	inc [hl]
 BattleBGEffect_GetNextDMGPal:
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, de
 	ld a, [hl]
 	cp -1
@@ -2752,7 +2752,7 @@ DeformWater:
 	ld a, [wBattleSineWaveTempProgress]
 	add e
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ret
 
 BattleBGEffect_WavyScreenFX:
diff --git a/engine/battle_anims/functions.asm b/engine/battle_anims/functions.asm
index 2a72cf12..a38bf152 100644
--- a/engine/battle_anims/functions.asm
+++ b/engine/battle_anims/functions.asm
@@ -772,7 +772,7 @@ BattleAnimFunction_FireBlast:
 	call DeinitBattleAnimation
 	ret
 
-.one 
+.one
 	; Flame that moves upward
 	ld hl, BATTLEANIMSTRUCT_YOFFSET
 	add hl, bc
@@ -2139,13 +2139,13 @@ BattleAnimFunction_Egg:
 	call BattleAnim_IncAnonJumptableIndex ; jumps to three
 	ret
 
-.egg_bomb_done 
+.egg_bomb_done
 	; Increases jumptable index twice to four
 	call BattleAnim_IncAnonJumptableIndex
 	inc [hl]
 	ret
 
-.three 
+.three
 	; Waits in place
 	ld hl, BATTLEANIMSTRUCT_VAR2
 	add hl, bc
@@ -3381,7 +3381,7 @@ BattleAnimFunction_SkyAttack:
 	call DeinitBattleAnimation
 	ret
 
-.SkyAttack_CyclePalette: 
+.SkyAttack_CyclePalette:
 ; Cycles wOBP0 pallete
 	ld hl, BATTLEANIMSTRUCT_VAR2
 	add hl, bc
@@ -3390,7 +3390,7 @@ BattleAnimFunction_SkyAttack:
 	inc [hl]
 	srl a
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ldh a, [hSGB]
 	and a
 	jr nz, .sgb
diff --git a/engine/games/card_flip.asm b/engine/games/card_flip.asm
index 501d231d..1567eaf6 100644
--- a/engine/games/card_flip.asm
+++ b/engine/games/card_flip.asm
@@ -338,7 +338,7 @@ CardFlip_ShuffleDeck:
 	cp CARDFLIP_DECK_SIZE
 	jr nc, .loop
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, de
 	ld a, [hl]
 	and a
diff --git a/engine/games/memory_game.asm b/engine/games/memory_game.asm
index 10a0b24e..8be4e51c 100644
--- a/engine/games/memory_game.asm
+++ b/engine/games/memory_game.asm
@@ -216,7 +216,7 @@ endr
 	pop af
 	push hl
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wMemoryGameCards
 	add hl, de
 	ld a, [hl]
@@ -259,7 +259,7 @@ MemoryGame_CheckMatch:
 
 	ld a, [wMemoryGameCard1Location]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wMemoryGameCards
 	add hl, de
 	ld [hl], -1
diff --git a/engine/games/slot_machine.asm b/engine/games/slot_machine.asm
index c7198f13..aaede41e 100644
--- a/engine/games/slot_machine.asm
+++ b/engine/games/slot_machine.asm
@@ -550,7 +550,7 @@ Slots_GetCurrentReelState:
 	dec a
 	and $f
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, REEL_TILEMAP_ADDR
 	add hl, bc
 	ld a, [hli]
diff --git a/engine/games/unown_puzzle.asm b/engine/games/unown_puzzle.asm
index c5db774b..daf98738 100644
--- a/engine/games/unown_puzzle.asm
+++ b/engine/games/unown_puzzle.asm
@@ -97,7 +97,7 @@ InitUnownPuzzlePiecePositions:
 	and $f
 	ld hl, .PuzzlePieceInitialPositions
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld e, [hl]
 	ld hl, wPuzzlePieces
@@ -449,7 +449,7 @@ UnownPuzzle_CheckCurrentTileOccupancy:
 	ld hl, wPuzzlePieces
 	ld a, [wUnownPuzzleCursorPosition]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld a, [hl]
 	ret
diff --git a/engine/gfx/cgb_layouts.asm b/engine/gfx/cgb_layouts.asm
index b5f298fe..a830e45a 100644
--- a/engine/gfx/cgb_layouts.asm
+++ b/engine/gfx/cgb_layouts.asm
@@ -87,7 +87,7 @@ _CGB_BattleColors:
 	call LoadPalette_White_Col1_Col2_Black ; PAL_BATTLE_BG_ENEMY
 	ld a, [wEnemyHPPal]
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, hl
 	add hl, hl
 	ld bc, HPBarPals
@@ -95,7 +95,7 @@ _CGB_BattleColors:
 	call LoadPalette_White_Col1_Col2_Black ; PAL_BATTLE_BG_ENEMY_HP
 	ld a, [wPlayerHPPal]
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, hl
 	add hl, hl
 	ld bc, HPBarPals
@@ -165,7 +165,7 @@ _CGB_StatsScreenHPPals:
 	ld de, wBGPals1
 	ld a, [wCurHPPal]
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, hl
 	add hl, hl
 	ld bc, HPBarPals
@@ -753,7 +753,7 @@ _CGB_Pokepic:
 .found_top
 	ld a, [wMenuBorderLeftCoord]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld a, [wMenuBorderTopCoord]
 	ld b, a
diff --git a/engine/gfx/color.asm b/engine/gfx/color.asm
index ea59575c..d319ab0d 100644
--- a/engine/gfx/color.asm
+++ b/engine/gfx/color.asm
@@ -119,7 +119,7 @@ SGB_ApplyPartyMenuHPPals:
 	ld hl, wHPPals
 	ld a, [wSGBPals]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld e, l
 	ld d, h
@@ -424,7 +424,7 @@ CopyPalettes:
 
 GetPredefPal:
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, hl
 	add hl, hl
 	add hl, hl
@@ -568,7 +568,7 @@ CGB_ApplyPartyMenuHPPals:
 	ld hl, wHPPals
 	ld a, [wSGBPals]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld e, l
 	ld d, h
@@ -688,7 +688,7 @@ CGBCopyTwoPredefObjectPals: ; unreferenced
 
 _GetMonPalettePointer:
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, hl
 	add hl, hl
 	add hl, hl
diff --git a/engine/items/items.asm b/engine/items/items.asm
index 42381b41..cfdd4a4c 100644
--- a/engine/items/items.asm
+++ b/engine/items/items.asm
@@ -240,7 +240,7 @@ RemoveItemFromPocket:
 	cp c
 	jr nc, .ok ; memory
 	ld c, a
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	add hl, bc
 	ld a, [wCurItem]
diff --git a/engine/link/link.asm b/engine/link/link.asm
index 648d7236..6784dde8 100644
--- a/engine/link/link.asm
+++ b/engine/link/link.asm
@@ -341,7 +341,7 @@ Gen2ToGen2LinkComms:
 	jr z, .start_copying_mail
 	ld hl, wcb4a
 	dec a
-	ld b, $0
+	ld b, 0
 	ld c, a
 	add hl, bc
 	ld [hl], SERIAL_NO_DATA_BYTE
diff --git a/engine/menus/scrolling_menu.asm b/engine/menus/scrolling_menu.asm
index d23b4d1e..6a8d6fd4 100644
--- a/engine/menus/scrolling_menu.asm
+++ b/engine/menus/scrolling_menu.asm
@@ -425,7 +425,7 @@ ScrollingMenu_CallFunctions1and2:
 	and a
 	jr z, .done
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld d, h
 	ld e, l
@@ -491,7 +491,7 @@ ScrollingMenu_GetListItemCoordAndFunctionArgs:
 	ld a, [wMenuScrollPosition]
 	add e
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wMenuData_ItemsPointerAddr
 	ld a, [hli]
 	ld h, [hl]
diff --git a/engine/overworld/scripting.asm b/engine/overworld/scripting.asm
index ffb878a9..8c915bd4 100644
--- a/engine/overworld/scripting.asm
+++ b/engine/overworld/scripting.asm
@@ -866,7 +866,7 @@ ApplyObjectFacing:
 Script_variablesprite:
 	call GetScriptByte
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wVariableSprites
 	add hl, de
 	call GetScriptByte
diff --git a/engine/phone/phone.asm b/engine/phone/phone.asm
index 307b4607..49b3eb2f 100644
--- a/engine/phone/phone.asm
+++ b/engine/phone/phone.asm
@@ -230,7 +230,7 @@ GetAvailableCallers:
 .different_map
 	ld a, [wNumAvailableCallers]
 	ld c, a
-	ld b, $0
+	ld b, 0
 	inc a
 	ld [wNumAvailableCallers], a
 	ld hl, wAvailableCallers
diff --git a/engine/pokedex/pokedex.asm b/engine/pokedex/pokedex.asm
index 23840d1d..befc2f4c 100644
--- a/engine/pokedex/pokedex.asm
+++ b/engine/pokedex/pokedex.asm
@@ -1482,7 +1482,7 @@ Pokedex_PrintListing:
 ; Load de with wPokedexOrder + [wDexListingScrollOffset]
 	ld a, [wDexListingScrollOffset]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wPokedexOrder
 	add hl, de
 	ld e, l
@@ -1581,7 +1581,7 @@ Pokedex_GetSelectedMon:
 	ld hl, wDexListingScrollOffset
 	add [hl]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wPokedexOrder
 	add hl, de
 	ld a, [hl]
diff --git a/engine/pokegear/pokegear.asm b/engine/pokegear/pokegear.asm
index 6586774e..63b0944a 100644
--- a/engine/pokegear/pokegear.asm
+++ b/engine/pokegear/pokegear.asm
@@ -2653,7 +2653,7 @@ TownMapMon:
 	ld a, [wCurPartyMon]
 	ld hl, wPartySpecies
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	ld a, [hl]
 	ld [wTempIconSpecies], a
diff --git a/engine/pokemon/bills_pc.asm b/engine/pokemon/bills_pc.asm
index 3be170ec..2ba4c48c 100644
--- a/engine/pokemon/bills_pc.asm
+++ b/engine/pokemon/bills_pc.asm
@@ -1099,7 +1099,7 @@ BillsPC_LoadMonStats:
 	ld hl, wBillsPC_ScrollPosition
 	add [hl]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wBillsPCPokemonList + 1 ; box number
 	add hl, de
 	add hl, de
@@ -1428,7 +1428,7 @@ BillsPC_GetSelectedPokemonSpecies:
 	ld hl, wBillsPC_ScrollPosition
 	add [hl]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wBillsPCPokemonList
 	add hl, de
 	add hl, de
@@ -2083,7 +2083,7 @@ MovePKMNWitoutMail_InsertMon:
 CopySpeciesToTemp:
 	ld a, [wCurPartyMon]
 	ld c, a
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	ld a, [hl]
 	ld [wCurPartySpecies], a
@@ -2157,7 +2157,7 @@ BillsPC_ApplyPalettes:
 
 BillsPC_Jumptable:
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	add hl, de
 	ld a, [hli]
diff --git a/engine/pokemon/mon_menu.asm b/engine/pokemon/mon_menu.asm
index 9fb292f7..aaafad18 100644
--- a/engine/pokemon/mon_menu.asm
+++ b/engine/pokemon/mon_menu.asm
@@ -1051,7 +1051,7 @@ MoveScreenLoop:
 	ld a, [wMenuCursorY]
 	dec a
 	ld c, a
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	ld d, h
 	ld e, l
@@ -1059,7 +1059,7 @@ MoveScreenLoop:
 	ld a, [wMoveSwapBuffer]
 	dec a
 	ld c, a
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	ld a, [de]
 	ld b, [hl]
@@ -1096,7 +1096,7 @@ SetUpMoveScreenBG:
 	farcall ClearSpriteAnims2
 	ld a, [wCurPartyMon]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wPartySpecies
 	add hl, de
 	ld a, [hl]
@@ -1167,7 +1167,7 @@ PrepareToPlaceMoveData:
 	ld a, [wMenuCursorY]
 	dec a
 	ld c, a
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	ld a, [hl]
 	ld [wCurSpecies], a
diff --git a/engine/pokemon/party_menu.asm b/engine/pokemon/party_menu.asm
index f10248e4..16126667 100644
--- a/engine/pokemon/party_menu.asm
+++ b/engine/pokemon/party_menu.asm
@@ -134,7 +134,7 @@ PlacePartyHPBar:
 	ld hl, wHPPals
 	ld a, [wSGBPals]
 	ld c, a
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	call SetHPPal
 	ld b, SCGB_PARTY_MENU_HP_BARS
@@ -604,7 +604,7 @@ PartyMenuSelect:
 	dec a
 	ld [wCurPartyMon], a
 	ld c, a
-	ld b, $0
+	ld b, 0
 	ld hl, wPartySpecies
 	add hl, bc
 	ld a, [hl]
@@ -637,7 +637,7 @@ PrintPartyMenuText:
 	and $f ; drop high nibble
 	ld hl, PartyMenuStrings
 	ld e, a
-	ld d, $0
+	ld d, 0
 	add hl, de
 	add hl, de
 	ld a, [hli]
diff --git a/engine/pokemon/switchpartymons.asm b/engine/pokemon/switchpartymons.asm
index 512332fc..1ec3cf69 100644
--- a/engine/pokemon/switchpartymons.asm
+++ b/engine/pokemon/switchpartymons.asm
@@ -46,13 +46,13 @@ _SwitchPartyMons:
 	ld bc, wPartySpecies
 	ld a, [wSwitchMonTo]
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, bc
 	ld d, h
 	ld e, l
 	ld a, [wSwitchMonFrom]
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, bc
 	ld a, [hl]
 	push af
diff --git a/engine/printer/printer.asm b/engine/printer/printer.asm
index 5b17c52f..302119f7 100644
--- a/engine/printer/printer.asm
+++ b/engine/printer/printer.asm
@@ -848,7 +848,7 @@ Printer_GetMonGender:
 Printer_GetBoxMonSpecies:
 	push hl
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld a, [wAddrOfBoxToPrint]
 	ld l, a
 	ld a, [wAddrOfBoxToPrint + 1]
diff --git a/engine/rtc/reset_password.asm b/engine/rtc/reset_password.asm
index b935d747..4070d1d4 100644
--- a/engine/rtc/reset_password.asm
+++ b/engine/rtc/reset_password.asm
@@ -184,7 +184,7 @@ ClockResetPassword:
 .getcurrentdigit
 	ld a, [wStringBuffer2 + 5]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wStringBuffer2
 	add hl, de
 	ret
diff --git a/home/map.asm b/home/map.asm
index 22719788..75281a1b 100644
--- a/home/map.asm
+++ b/home/map.asm
@@ -1029,7 +1029,7 @@ CoordinatesEventText::
 CheckObjectMask::
 	ldh a, [hMapObjectIndexBuffer]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wObjectMasks
 	add hl, de
 	ld a, [hl]
@@ -1038,7 +1038,7 @@ CheckObjectMask::
 MaskObject::
 	ldh a, [hMapObjectIndexBuffer]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wObjectMasks
 	add hl, de
 	ld [hl], -1 ; masked
@@ -1047,7 +1047,7 @@ MaskObject::
 UnmaskObject::
 	ldh a, [hMapObjectIndexBuffer]
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wObjectMasks
 	add hl, de
 	ld [hl], 0 ; unmasked
@@ -1565,7 +1565,7 @@ GetCoordTile::
 	and a
 	jr z, .nope
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, hl
 	add hl, hl
 	ld a, [wTilesetCollisionAddress]
diff --git a/home/menu.asm b/home/menu.asm
index ed17e05e..8fb7c418 100644
--- a/home/menu.asm
+++ b/home/menu.asm
@@ -635,7 +635,7 @@ ContinueGettingMenuJoypad:
 	call GetMenuIndexSet
 	ld a, [wMenuCursorY]
 	ld l, a
-	ld h, $0
+	ld h, 0
 	add hl, de
 	ld a, [hl]
 	ld [wMenuSelection], a
@@ -698,7 +698,7 @@ MenuJumptable::
 
 GetMenuDataPointerTableEntry::
 	ld e, a
-	ld d, $0
+	ld d, 0
 	ld hl, wMenuDataPointerTableAddr
 	ld a, [hli]
 	ld h, [hl]